Is SMOKED ROASTED BRISKET vegan?

mashed potatoes (potatoes, skim milk, butter, whole milk, natural flavor, salt, disodium dihydrogen pyrophosphate [added to maintain color], potassium sorbate [added to maintain freshness], spice), smoked beef brisket with juices (beef brisket, water, apple juice [water, apple juice concentrate, ascorbic acid {vitamin c}], distilled white vinegar, light brown sugar [sugar, molasses], liquid beef base [beef stock, maltodextrin, salt, sugar, yeast extract, beef fat, onion powder, beef extract, fully aged peppers, vinegar and salt], hot sauce [peppers, vinegar, salt], sodium phosphate, sugar, salt, paprika, black pepper, garlic and spices), broccoli florets, brown gravy (skim milk, wheat flour, food starch-modified, salt, hydrolyzed soy protein, roasted beef, sugar, vegetable blend [dehydrated {onion, garlic, tomato, green bell pepper, carrot}, purees {carrot, onion, celery, red bell pepper}, juices {onion, garlic, shallot, carrot}], yeast extract, hydrolyzed wheat protein, flavorings [with butter fat], hydrolyzed corn soy protein, hydrolyzed soy wheat gluten protein, corn starch, caramel color, hydrolyzed corn protein, spices, beef stock, disodium inosinate, disodium guanylate, lactic acid, thiamine hydrochloride, xanthan gum, dehydrated cooked beef, beef extract, grill flavor [from vegetable oil], burgundy wine solids), carrots, chive & garlic butter (butter [cream and salt], chive, canola & olive oil [75% expeller pressed canola oil, 25% extra-virgin olive oil], garlic, sea salt, black pepper).

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